| "Test run, coverage 42%." |
| |
| from idlelib import run |
| import unittest |
| from unittest import mock |
| from test.support import captured_stderr |
| |
| import io |
| |
| class RunTest(unittest.TestCase): |
| |
| def test_print_exception_unhashable(self): |
| class UnhashableException(Exception): |
| def __eq__(self, other): |
| return True |
| |
| ex1 = UnhashableException('ex1') |
| ex2 = UnhashableException('ex2') |
| try: |
| raise ex2 from ex1 |
| except UnhashableException: |
| try: |
| raise ex1 |
| except UnhashableException: |
| with captured_stderr() as output: |
| with mock.patch.object(run, |
| 'cleanup_traceback') as ct: |
| ct.side_effect = lambda t, e: t |
| run.print_exception() |
| |
| tb = output.getvalue().strip().splitlines() |
| self.assertEqual(11, len(tb)) |
| self.assertIn('UnhashableException: ex2', tb[3]) |
| self.assertIn('UnhashableException: ex1', tb[10]) |
| |
| |
| # PseudoFile tests. |
| |
| class S(str): |
| def __str__(self): |
| return '%s:str' % type(self).__name__ |
| def __unicode__(self): |
| return '%s:unicode' % type(self).__name__ |
| def __len__(self): |
| return 3 |
| def __iter__(self): |
| return iter('abc') |
| def __getitem__(self, *args): |
| return '%s:item' % type(self).__name__ |
| def __getslice__(self, *args): |
| return '%s:slice' % type(self).__name__ |
| |
| |
| class MockShell: |
| def __init__(self): |
| self.reset() |
| def write(self, *args): |
| self.written.append(args) |
| def readline(self): |
| return self.lines.pop() |
| def close(self): |
| pass |
| def reset(self): |
| self.written = [] |
| def push(self, lines): |
| self.lines = list(lines)[::-1] |
| |
| |
| class PseudeInputFilesTest(unittest.TestCase): |
| |
| def test_misc(self): |
| shell = MockShell() |
| f = run.PseudoInputFile(shell, 'stdin', 'utf-8') |
| self.assertIsInstance(f, io.TextIOBase) |
| self.assertEqual(f.encoding, 'utf-8') |
| self.assertIsNone(f.errors) |
| self.assertIsNone(f.newlines) |
| self.assertEqual(f.name, '<stdin>') |
| self.assertFalse(f.closed) |
| self.assertTrue(f.isatty()) |
| self.assertTrue(f.readable()) |
| self.assertFalse(f.writable()) |
| self.assertFalse(f.seekable()) |
| |
| def test_unsupported(self): |
| shell = MockShell() |
| f = run.PseudoInputFile(shell, 'stdin', 'utf-8') |
| self.assertRaises(OSError, f.fileno) |
| self.assertRaises(OSError, f.tell) |
| self.assertRaises(OSError, f.seek, 0) |
| self.assertRaises(OSError, f.write, 'x') |
| self.assertRaises(OSError, f.writelines, ['x']) |
| |
| def test_read(self): |
| shell = MockShell() |
| f = run.PseudoInputFile(shell, 'stdin', 'utf-8') |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.read(), 'one\ntwo\n') |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.read(-1), 'one\ntwo\n') |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.read(None), 'one\ntwo\n') |
| shell.push(['one\n', 'two\n', 'three\n', '']) |
| self.assertEqual(f.read(2), 'on') |
| self.assertEqual(f.read(3), 'e\nt') |
| self.assertEqual(f.read(10), 'wo\nthree\n') |
| |
| shell.push(['one\n', 'two\n']) |
| self.assertEqual(f.read(0), '') |
| self.assertRaises(TypeError, f.read, 1.5) |
| self.assertRaises(TypeError, f.read, '1') |
| self.assertRaises(TypeError, f.read, 1, 1) |
| |
| def test_readline(self): |
| shell = MockShell() |
| f = run.PseudoInputFile(shell, 'stdin', 'utf-8') |
| shell.push(['one\n', 'two\n', 'three\n', 'four\n']) |
| self.assertEqual(f.readline(), 'one\n') |
| self.assertEqual(f.readline(-1), 'two\n') |
| self.assertEqual(f.readline(None), 'three\n') |
| shell.push(['one\ntwo\n']) |
| self.assertEqual(f.readline(), 'one\n') |
| self.assertEqual(f.readline(), 'two\n') |
| shell.push(['one', 'two', 'three']) |
| self.assertEqual(f.readline(), 'one') |
| self.assertEqual(f.readline(), 'two') |
| shell.push(['one\n', 'two\n', 'three\n']) |
| self.assertEqual(f.readline(2), 'on') |
| self.assertEqual(f.readline(1), 'e') |
| self.assertEqual(f.readline(1), '\n') |
| self.assertEqual(f.readline(10), 'two\n') |
| |
| shell.push(['one\n', 'two\n']) |
| self.assertEqual(f.readline(0), '') |
| self.assertRaises(TypeError, f.readlines, 1.5) |
| self.assertRaises(TypeError, f.readlines, '1') |
| self.assertRaises(TypeError, f.readlines, 1, 1) |
| |
| def test_readlines(self): |
| shell = MockShell() |
| f = run.PseudoInputFile(shell, 'stdin', 'utf-8') |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.readlines(), ['one\n', 'two\n']) |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.readlines(-1), ['one\n', 'two\n']) |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.readlines(None), ['one\n', 'two\n']) |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.readlines(0), ['one\n', 'two\n']) |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.readlines(3), ['one\n']) |
| shell.push(['one\n', 'two\n', '']) |
| self.assertEqual(f.readlines(4), ['one\n', 'two\n']) |
| |
| shell.push(['one\n', 'two\n', '']) |
| self.assertRaises(TypeError, f.readlines, 1.5) |
| self.assertRaises(TypeError, f.readlines, '1') |
| self.assertRaises(TypeError, f.readlines, 1, 1) |
| |
| def test_close(self): |
| shell = MockShell() |
| f = run.PseudoInputFile(shell, 'stdin', 'utf-8') |
| shell.push(['one\n', 'two\n', '']) |
| self.assertFalse(f.closed) |
| self.assertEqual(f.readline(), 'one\n') |
| f.close() |
| self.assertFalse(f.closed) |
| self.assertEqual(f.readline(), 'two\n') |
| self.assertRaises(TypeError, f.close, 1) |
| |
| |
| class PseudeOutputFilesTest(unittest.TestCase): |
| |
| def test_misc(self): |
| shell = MockShell() |
| f = run.PseudoOutputFile(shell, 'stdout', 'utf-8') |
| self.assertIsInstance(f, io.TextIOBase) |
| self.assertEqual(f.encoding, 'utf-8') |
| self.assertIsNone(f.errors) |
| self.assertIsNone(f.newlines) |
| self.assertEqual(f.name, '<stdout>') |
| self.assertFalse(f.closed) |
| self.assertTrue(f.isatty()) |
| self.assertFalse(f.readable()) |
| self.assertTrue(f.writable()) |
| self.assertFalse(f.seekable()) |
| |
| def test_unsupported(self): |
| shell = MockShell() |
| f = run.PseudoOutputFile(shell, 'stdout', 'utf-8') |
| self.assertRaises(OSError, f.fileno) |
| self.assertRaises(OSError, f.tell) |
| self.assertRaises(OSError, f.seek, 0) |
| self.assertRaises(OSError, f.read, 0) |
| self.assertRaises(OSError, f.readline, 0) |
| |
| def test_write(self): |
| shell = MockShell() |
| f = run.PseudoOutputFile(shell, 'stdout', 'utf-8') |
| f.write('test') |
| self.assertEqual(shell.written, [('test', 'stdout')]) |
| shell.reset() |
| f.write('t\xe8st') |
| self.assertEqual(shell.written, [('t\xe8st', 'stdout')]) |
| shell.reset() |
| |
| f.write(S('t\xe8st')) |
| self.assertEqual(shell.written, [('t\xe8st', 'stdout')]) |
| self.assertEqual(type(shell.written[0][0]), str) |
| shell.reset() |
| |
| self.assertRaises(TypeError, f.write) |
| self.assertEqual(shell.written, []) |
| self.assertRaises(TypeError, f.write, b'test') |
| self.assertRaises(TypeError, f.write, 123) |
| self.assertEqual(shell.written, []) |
| self.assertRaises(TypeError, f.write, 'test', 'spam') |
| self.assertEqual(shell.written, []) |
| |
| def test_writelines(self): |
| shell = MockShell() |
| f = run.PseudoOutputFile(shell, 'stdout', 'utf-8') |
| f.writelines([]) |
| self.assertEqual(shell.written, []) |
| shell.reset() |
| f.writelines(['one\n', 'two']) |
| self.assertEqual(shell.written, |
| [('one\n', 'stdout'), ('two', 'stdout')]) |
| shell.reset() |
| f.writelines(['on\xe8\n', 'tw\xf2']) |
| self.assertEqual(shell.written, |
| [('on\xe8\n', 'stdout'), ('tw\xf2', 'stdout')]) |
| shell.reset() |
| |
| f.writelines([S('t\xe8st')]) |
| self.assertEqual(shell.written, [('t\xe8st', 'stdout')]) |
| self.assertEqual(type(shell.written[0][0]), str) |
| shell.reset() |
| |
| self.assertRaises(TypeError, f.writelines) |
| self.assertEqual(shell.written, []) |
| self.assertRaises(TypeError, f.writelines, 123) |
| self.assertEqual(shell.written, []) |
| self.assertRaises(TypeError, f.writelines, [b'test']) |
| self.assertRaises(TypeError, f.writelines, [123]) |
| self.assertEqual(shell.written, []) |
| self.assertRaises(TypeError, f.writelines, [], []) |
| self.assertEqual(shell.written, []) |
| |
| def test_close(self): |
| shell = MockShell() |
| f = run.PseudoOutputFile(shell, 'stdout', 'utf-8') |
| self.assertFalse(f.closed) |
| f.write('test') |
| f.close() |
| self.assertTrue(f.closed) |
| self.assertRaises(ValueError, f.write, 'x') |
| self.assertEqual(shell.written, [('test', 'stdout')]) |
| f.close() |
| self.assertRaises(TypeError, f.close, 1) |
| |
| |
| if __name__ == '__main__': |
| unittest.main(verbosity=2) |
